<template>
    <div>
      <!--  面包屑导航-->
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>
      </el-breadcrumb>
      <!--      卡片视图-->
      <el-card>
        <el-row :gutter="20">
          <el-col :span="8">
            <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
              <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
            </el-input>
          </el-col>
          <el-col :span="4">
            <el-button type="primary" @click="goAddPage">添加商品</el-button>
          </el-col>
        </el-row>
<!--        tab表格区域-->
        <el-table :data="goodsList" border stripe>
          <el-table-column type="index" label="#"></el-table-column>
          <el-table-column prop="goods_name" label="商品名称"></el-table-column>
          <el-table-column prop="goods_price" label="商品价格（元）" width="120px"></el-table-column>
          <el-table-column prop="goods_weight" label="商品重量" width="70px"></el-table-column>
          <el-table-column prop="add_time" label="商品创建时间" width="140px">
            <template slot-scope="scope">
              {{scope.row.add_time | dataFormat}}
            </template>
          </el-table-column>
          <el-table-column label="操作" width="180px">
            <template slot-scope="scope">
              <el-button type="primary" icon="el-icon-edit" size="mini">编辑</el-button>
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteGoodsList(scope.row.goods_id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
<!--      分页区域-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background>
      </el-pagination>
      </el-card>
    </div>
</template>

<script>
export default {
  name: 'List',
  data () {
    return {
      // 商品列表查询参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品数据列表
      goodsList: [],
      // 总数据条数
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    // 获取商品列表数据
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取数据失败')
      }
      // console.log(res)
      this.goodsList = res.data.goods
      this.total = res.data.total
      console.log(this.goodsList)
    },
    // 每页的数据切换
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 切换页码
    handleCurrentChange (newChange) {
      this.queryInfo.pagenum = newChange
      this.getGoodsList()
    },
    // 删除商品
    async deleteGoodsList (id) {
      const resultConfirm = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (resultConfirm !== 'confirm') {
        return this.$message.info('取消了删除')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除数据失败')
      }
      this.$message.success('删除数据成功')
      // 刷新商品数据列表
      this.getGoodsList()
    },
    // 添加商品
    goAddPage () {
      this.$router.push('goods/add')
    }
  }
}
</script>

<style scoped>

</style>
